FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Charterhouse General Partners (IX) Ltd
 2. Date of Event Requiring Statement (Month/Day/Year)
10/20/2021		 3. Issuer Name and Ticker or Trading Symbol
Mirion Technologies, Inc. [MIR]
(Last)
(First)
(Middle)
6TH FLOOR, BELGRAVE HOUSE, 76 BUCKINGHAM PALACE ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LONDON, X0 SW1W 9TQ		 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class A Common Stock 24,746,855
I
See footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Charterhouse General Partners (IX) Ltd
6TH FLOOR, BELGRAVE HOUSE
76 BUCKINGHAM PALACE ROAD
LONDON, X0 SW1W 9TQ		     X    
CCP IX LP No. 1
6TH FLOOR, BELGRAVE HOUSE
76 BUCKINGHAM PALACE ROAD
LONDON, X0 SW1W 9TQ		     X    
CCP IX LP No. 2
6TH FLOOR, BELGRAVE HOUSE
76 BUCKINGHAM PALACE ROAD
LONDON, X0 SW1W 9TQ		     X    
CCP IX Co-investment LP
6TH FLOOR, BELGRAVE HOUSE
76 BUCKINGHAM PALACE ROAD
LONDON, X0 SW1W 9TQ		     X    
CCP IX Co-investment No. 2 LP
6TH FLOOR, BELGRAVE HOUSE
76 BUCKINGHAM PALACE ROAD
LONDON, X0 SW1W 9TQ		     X    

Signatures

Charterhouse General Partners (IX) Ltd By: /s/ Thomas Patrick, Name: Thomas Patrick, Title: Director 11/01/2021
**Signature of Reporting Person Date
CCP IX LP No. 1, acting by its General Partner, Charterhouse General Partners (IX) Ltd By: /s/ Thomas Patrick, Name: Thomas Patrick, Title: Director 11/01/2021
**Signature of Reporting Person Date
CCP IX LP No. 2, acting by its General Partner, Charterhouse General Partners (IX) Ltd By: /s/ Thomas Patrick, Name: Thomas Patrick, Title: Director 11/01/2021
**Signature of Reporting Person Date
CCP IX Co-investment LP, acting by its General Partner, Charterhouse General Partners (IX) Ltd By: /s/ Thomas Patrick, Name: Thomas Patrick, Title: Director 11/01/2021
**Signature of Reporting Person Date
CCP IX Co-investment No. 2 LP, acting by its General Partner, Charterhouse General Partners (IX) Ltd By: /s/ Thomas Patrick, Name: Thomas Patrick, Title: Director 11/01/2021
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The shares reported herein are held of record by CCP IX LP No. 1, CCP IX LP No. 2, CCP IX Co-investment LP and CCP IX Co-investment No. 2 LP (together, "CCP IX"). Charterhouse General Partners (IX) Ltd is the general partner of each of the limited partnerships comprising CCP IX. CGP IX is managed by a five member board of directors. Each of the CGP IX board members disclaims beneficial ownership of the securities beneficially owned by each of the limited partnerships comprising CCP IX, except to the extent of their pecuniary interest, if any.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.